The EEAW will support the APA Style - apastyle.org

Therefore the recommended style to cite the EEAW - as an online periodical with two issues a year which are fixed in the EEAW archives - is:

Author, A. A. (year). Title of entry. The Vienna Encyclopedia of Animal Welfare, xx, pp-pp. Retrieved from http://eeaw.univie.ac.at/table-of-contents/archives/ xxxxxxx